Lathe



'UNITED STATES PATENT OFFICE.

LEMUEL POSTLEVVAIT, OE RUSSELLVILLE, OHIO.

LATHE.

Specification of Letters Patent No. 30,420, dated October 16, 1860.

To all whom, it may concern: Y

Be itknown that I, LEMUEL Pos'rLnwArr, of Russellville, in the State of Ohio, have invented certain new and useful Improve ments in lurningLathes; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being' had to the accompanying drawings and to the letters of reference marked thereon.

In the annexed drawings Figures l, and 2, represent sections of the lathe.

In the` figures A, represents a stand on which are erected the two supports B, B.

D, is a stationary shaft, which has its bearings in the supports B, B.

C, represents a pulley which is secured upon the shaft D, in such a manner that it may turn freely, or revolve upon it.

a, a, represent pins attached to the pulley C, which enter the material to loe turned, for holding it in proper position.

The shaft D, is pointed as represented,

and forms the center upon which the material turns. Two stationary points are used in this lathe and the material to be turned revolves around these points. The pins a, a, secure the material to the pulley C, and said material revolves with said pulley while the shaft D, stands still.

a', represents a groove in the shaft by means of which it is secured to the pulley.

Having thus fully described my invention what I claim as new and desire to secure by Letters Patent s- A The combination of the movable, or revolving pulley, C, with the stationary spindle or shaft D, when the same are used in the manner and for the purpose herein specified.

LEMUEL PO STLEVVAIT.

lVitnesses SAMUEL VILKINS, THos. MITCHELL. 

